package com.itheima.service;

import com.itheima.pojo.Member;

import java.util.Date;
import java.util.Map;

public interface MemberService {
    Member findByTelephone(String telephone);

    void add(Member member);


    Map<String,Object> getMemberReport();

    Map<String,Object> getMemberSexReport();

    Map<String,Object> getMemberAgeReport();

    Map<String,Object> getMemberReportAdd(Date startDate,Date endDate);
}
